private World(bool isSimulation)
{
_entityWorld = new EntityWorld();
_particleEngine = new ParticleEngine();
_entityWorld.Services.Add<IParticleEngine>(_particleEngine);
this.CreateSystems(isSimulation);
}
public ParticleEffectRenderer(EntityWorld entityWorld, ParticleEngine particleEngine)
{
_entityWorld = entityWorld;
_particleEngine = particleEngine;
}